A mains electricity (AC-powered) unit designed to wash (remove dirt/stains), decontaminate (remove organic debris), and disinfect (destroy microorganisms) reusable surgical instruments, bowls, anaesthesia equipment components, and some surgical footwear. Most instruments, especially those used invasively or in a sterile field will require sterilization after this process. It is typically located in rooms and central supply departments designed to handle soiled instruments/utensils. It typically includes internal baskets/racks in which the utensils are placed to ensure circulation of the heated water/detergents to all surfaces.